Miami-Dade County Beach Water Quality

6 monitored beaches on the Atlantic Coast

5 Good 1 Moderate 7% avg risk

Miami-Dade County Beaches — Ranked by Water Quality

Crandon Park Beach

Miami-Dade County · Atlantic Coast

GOOD
Last tested: Mar 15, 2026 21 CFU/100mL

Virginia Key Beach

Miami-Dade County · Atlantic Coast

GOOD
Last tested: Mar 15, 2026 33 CFU/100mL

Haulover Beach

Miami-Dade County · Atlantic Coast

GOOD
Last tested: Mar 15, 2026 19 CFU/100mL

Matheson Hammock Beach

Miami-Dade County · Atlantic Coast

GOOD
Last tested: Mar 15, 2026 34 CFU/100mL

South Beach

Miami-Dade County · Atlantic Coast

GOOD
Last tested: Mar 15, 2026 24 CFU/100mL

Sunny Isles Beach

Miami-Dade County · Atlantic Coast

MODERATE
Last tested: Mar 15, 2026 38 CFU/100mL

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About Miami-Dade County Beach Water Quality

Miami-Dade County has 6 beaches monitored through the Florida DOH Healthy Beaches Program on the Atlantic Coast. Based on the past 12 months of enterococcus bacteria testing, the county's average risk rating is 7% — meaning 7% of historical tests returned poor results (above 70.5 CFU/100mL).

Water quality can vary significantly between beaches depending on proximity to storm drains, inlets, and urban runoff sources. Always check individual beach conditions before swimming, especially after rainfall.

Beach Safety Guides

Is It Safe to Swim After Rain?

Understanding Advisories

Cleanest Beaches in Florida

How Bacteria Testing Works

Other Florida Counties

Bay CountyBrevard CountyBroward CountyCharlotte CountyCollier CountyDuval CountyEscambia CountyFlagler CountyFranklin CountyGulf CountyHillsborough CountyIndian River CountyLee CountyManatee CountyMartin CountyMonroe CountyNassau CountyOkaloosa CountyPalm Beach CountyPinellas CountySanta Rosa CountySarasota CountySt. Johns CountySt. Lucie CountyVolusia CountyWakulla County

Data from FL DOH Healthy Beaches Program. This is an independent project — check with Florida DOH for official conditions.